Magliner Aluminum 3-Position Truck converts in seconds from a standard two-wheel hand truck to either a four-wheel platform truck or an ergonomic, inclined four-wheel truck. Features a 27"Wx9"D nose plate. Choose either a full-pneumatic tire or the carefree tire that is made of a micro-cellular foam polyurethane structure that performs like a pneumatic tire but will never go flat. Both have 5" polyurethane swivel casters. Made in USA.